=== HTTP code : 200 ===

HTTP/1.1 200 OK
Server: nginx/1.4.6 (Ubuntu)
Date: Wed, 08 Apr 2015 02:00:49 GMT
Content-Type: application/pdf
Content-Length: 329420
Last-Modified: Wed, 10 Sep 2014 20:11:14 GMT
Connection: close
ETag: "5410b062-506cc"
Accept-Ranges: bytes


Link is valid.